{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb89d4a62a20f9ec2f1fe56fe0649aabc8982d6284aa48bdd495e0dcb8babc92d",
    "signature": "0x63a871ee6d07aa3ba4aa230833acd746060a3257c461fbd36545f146cee441d13d0457dae75a015d5b87c44db737341fea4443aac759ea7e4a4cfd7c6d92bc331c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}