{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbbeaf61c02e514f9d6383c501cc57f0bfd1b5b7f063c6a4ef14198e9d561c4a4",
    "signature": "0x5b4cd89e3b07774158c48198aef505acffb2d0f80f05e0c57ab2dad29bfc8f0e22067452e6e73469cb0e062abd717e5095b3b3022f6dfd5661579ecb6610401d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}