{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349784",
    "entityType": "User",
    "nonce": "0x4467f7b71d7d1f0e3cfc5b33606fff75824659ac10b609a68da91a7c71719537",
    "signature": "0x0de3bb0cd69b5bfb6256f3fee5c49cbbfce7e8a5cab40808b4da2f3bf16ea7eb2c7b89670505cce0de6cc723293e2365762ebb1377ce2ef42422ce6f24946cc01b",
    "signer": "0xa24498458c4D424889FfEaE6EdB476c8E35C41BD",
    "userId": "787951188"
  }
}