{
  "manageEntity": {
    "action": "Update",
    "entityId": "530705025",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xafb467d137d9d0e4682478c8cf05d8269d3f811dc9c0eece8e19534b740c705f",
    "signature": "0x292cbbbcc7a29f5ccb42e4061e9b78a20e4d2e5452678657ef6e6eb8e1193b7a381917d7aca204db4ed436e7848edf7d1c2bc47363e3d493fa1e13244f58d8a11c",
    "signer": "0xAE2c0b3899295FA536E40421e18f01e9Afd30539",
    "userId": "530705025"
  }
}