{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189818",
    "entityType": "User",
    "nonce": "0xfcf8181026b8f9e4760e13008acf1acaaff9846508eb2e55b14f029e2a9e325d",
    "signature": "0x2aba249cef33812185bc72ffdafd508c268ecb6da199e908bb2017f85ec7a75d1cb9a93ba2ecc4e6899edaabb6633083342a5d552972afd1df35f1dd30a36d721b",
    "signer": "0x06dD6D234Fbcf51687a8D4FfD21e6C49eEfc7a6A",
    "userId": "464103845"
  }
}