{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "755516",
    "entityType": "User",
    "nonce": "0xd5a471ef5b04a22fba5b5293e841c7453e48615b545433aa9c8a0b26db34df67",
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    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}