{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363062902",
    "entityType": "User",
    "nonce": "0x10f5a340b48262666168c8e84ebd19438528cd42e8c0fe91865a41c1ad6d69cf",
    "signature": "0xff718437d97576ac35953c0181241dc15a09b7394dd66fb17e89330f8ab2fb7937b5b96ee20175c0cf9649de919e78ca02f92551bb6cc5d1e72cd633f7a367f71c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}