{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5707",
    "entityType": "User",
    "nonce": "0x1cdab8fc3cf9f6da03a8378d94146d363527f4b76ed1b384b0718b67201b09ba",
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    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}