{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50198",
    "entityType": "User",
    "nonce": "0xada6a1de0683ee267d8afce2ca8778039dab44a06e2c61e46d592e138f146788",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}