{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "304316",
    "entityType": "User",
    "nonce": "0xaa4bfb15783e3d9bac3917ce182a28d506768ba5e2e38a3125dee296ff31eb1a",
    "signature": "0x3f6631c613438b746ff34270165a71b3d636dfe2d8199befd56af35ccd05af61064712fe777278f6d58fc09f7bf40b6a32e1c86eb8967102432a521e5a24e0751c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}