{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "54545",
    "entityType": "User",
    "nonce": "0x14b73e8eeff8906af43147ec838b78c0f6244755424c6058fef85b044bf2deba",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}