{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x2bf457a034c307f440a194f1ed89819c68ca7367854f8795a79ce4d6c5436fbd",
    "signature": "0x6cc5444c63ff57d9cb6f93465c46686a6b6f6ea690e4011cb3fde00cc1bf041f711662cd0791195e71174164f93d45ba092f6ad9971aa83d6cd60d97ec746d6f1b",
    "signer": "0x863f7c0C1E631305334C254C095348a998d72c57",
    "userId": "765158744"
  }
}