{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x014280726ef573ac16eb364882f6130685f6f99429d41ffed60d4445a020a38e",
    "signature": "0x736a92021f58ce8ddbda639c339ad14c07c6d8ac152fa673bfd302e5863cb78973795296e13f268c527dd62ee20b041e185c4fd4fd9653f9f15cb1a1dd12f1321c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}