{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1513",
    "entityType": "User",
    "nonce": "0xc152fc71752029c3c1876177b90ce9e657b4336f6b85607ce25b556b8d4ebc27",
    "signature": "0x33a2b5de84ebbc75e339a733050a65bc98da85a5cffafef7e626567513826c694161a7e8c580198c5ad92d5172766588445893674a79afa9cd32218ec7270a4a1b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}