{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x4e510ce6b23abfcfacb32dd23a8f2689429b26d1471f71e3460ffa9a3a311ff6",
    "signature": "0x879ec972642ab8d58d8b52be265518599a5751cd17ced238ce3ec513384af44f1e6935ea52e76067c557a6295877bfa3df35fabc3bf0bcae6c62a44676fd30ff1c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}