{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe6e21bcac05cc1a61c60f88ef5aa602691685e78f7f32ce91fe42e839109d2c8",
    "signature": "0xf732d0da13a44ad41346482f17c8e2c36bc810c64a34b289f4d87fd6304d0e6e3ce47b819d3c1957f0cc0c8840438f7a30529f8ba0269fe75d103b3e5f8269481c",
    "signer": "0x724B74153EA55dBD831703448ecb062d323aB065",
    "userId": "572024306"
  }
}