{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb445d1394605354bc0b93329892f8466d844f508d072b22e48e9cf24c0bf7d8e",
    "signature": "0x4c0f8fa2e130e78b082e5a124df052416934748fb0970acf80d50b3db6f9ce576f08dfbd0fe0bbaad927249dc23144d143af545f0ae514a824fab94276c54da41b",
    "signer": "0x70178Ae9BB85b488041e01299E58764c357c775E",
    "userId": "614722899"
  }
}