{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x217470550ab1895b600c99da8273ae948184df7bc61c9c99e1f191c51ff931e6",
    "signature": "0x4fb283448e3c8265b694f62a52b190bc0acc5f1d4f5e981c0bf7bf04ac6ccc247da5eeef53d95a17e663798583e7cd457405c248be436d542de58aadf13659a61b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}