{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "143381",
    "entityType": "User",
    "nonce": "0xe7fdfa20086369b2e8648dd16f034d07fdab4c4d1e8c36403acc116ef5b5eebf",
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    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}