{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "9962",
    "entityType": "User",
    "nonce": "0x19fc77a1809ee5cb87289bf6449c1584a04ead5bcf11fc6c18fd54f28e14f5db",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}