{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0x523377ed848068f113513c5ef312967d3b725404d671137a0216afd4c2dc63e2",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}