{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xcbbc8b6d802b78233a36a71b72da06c952eea936d9130d330a44ff28d5ebd2ac",
    "signature": "0x0ead20cdfe68ca323a97039b0e7a792f471757151952d163d6e8feed0529eff3362345ba383e465bdf08ccaf32e18f265ac972a0e9a75448770293cf008206fd1c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}