{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858479840",
    "entityType": "User",
    "nonce": "0x07d02feb43fe7494edd964b23e49d96c45b7c0521b86c13a5062bf6acd44903d",
    "signature": "0x78e729bbc2a5f71656a4927eb5836914bfbf23b5cb1423b4e4e7b1bc110d63ac389f25b325b502c6e440d5105e82add05a3ea84daf0a855132a9b87ce54371351b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}