{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "304857543",
    "entityType": "User",
    "nonce": "0x2ca6bec825eba759c6812fd8bfb13789625742ee0ef93a7f0e3695d442da2772",
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    "signer": "0x2E3d52B1402C716b32Bed03725756c3e8Be58636",
    "userId": "581962190"
  }
}