{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5bac24bdf58cfdf4cc4387969f562828d839025b7237fe5514e00885f58bff19",
    "signature": "0xd31c80f95268c89855588df058d8f3c9bbd9df8e6a788f2bfb042ad413606d2e011b740f5efc2c412cde196b45e598420975dec672cf4cff32b1ea02dc3addd51b",
    "signer": "0x28e7705Bb6DAD7913EED6dC655cA116aBFb069E2",
    "userId": "866519488"
  }
}