{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x69c2b01a1b035c15ec80c8982d071f6feb742c1b14192b789d919014be17cbd2",
    "signature": "0xd34f168525d737d0a8416102cbe5f52c1d8d8d4386989c6623bc764fba7f543240701647965a35ea6a67f0946f7e4a6a36d3bd49b68bd1cc346a2f5d62844a471b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}