{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1318",
    "entityType": "User",
    "nonce": "0xb1b059f320ffd20f822f49f38821179812c4d5cd2c5aa7e1e8553cb09e964cda",
    "signature": "0xef6175a9c374b5a9434ece3c947cff4b551fbc773840438d6a08d542267d2feb4925cd327dee32c3f66f723750d467fa281ba135f2cd2fe7a8a77abcdb008c061b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}