{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x5f490c484aa2e36ff7ebf387ebead6cdb19a3bac81d28945e61eeaf252b5f052",
    "signature": "0x7415db1331fef22bbf2421ee136b7a4a21521d6a13b39f644e465ab67c3a8e301519fa61c93e22b395626c7aafe1d044eb462d32a1119d93107ca7b4bd2d7f901c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}