{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53860",
    "entityType": "User",
    "nonce": "0x7646853bc2c2e89e284861dd24eb8e4c7b41bf49e82ff73f174d1cd5b9b6ab22",
    "signature": "0x6428d0059a525346ea4b19104a79cb3a972e97c566d9bcc2b16c91c96d1855292f050aabab3cb3872fdc63cccfd0b3a0ac371254c0cd9993ef0ebacd55e9edf41b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}