{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x1aee27c25c358f22442b3c45ce2eb731a2fc597540d57b1fde5c14c70a05ae32",
    "signature": "0xb7b2b89c4fe4f66d91bfa6e527750fc49a3b456a40b5de5fd1aa6d64ec21172c4ef1fa65f08b14d7d4b53f54597a72190af5ca47f1a45cb0f9cee052a674221c1b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}