{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xa0114f7acb93abf12992060f18eea0495a39dfbb7274671c1e37022d45e3eae6",
    "signature": "0xb9298509356e387d75264bf8e045b7f3a884febed21ab2354e2fd4b76992443b5595534ece41b4e041f0342c3d1f8ff62ece099bf236f52cfe2f72978bbc34f61b",
    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}