{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdbae9442b5a7b12d78967f4be6781796776eacf9910a43f2f9a8a375adeb0559",
    "signature": "0x0a707c20ac61cb958aae1350c23e232524e57d475badd96794fc62e6263971f46c0b0ecab2b52993b28165ebe6fb17087fad6ea9a69179c9e8212d6689d54c201b",
    "signer": "0x72A970bc57b8313FC276e6d243773b81Ea816D8F",
    "userId": "92402397"
  }
}