{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0xe79e9725b8b6c8ea733a84bfbf17f947ec27e20cb7760974d72019331b1811b4",
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    "signer": "0xc74a5C0B76bF95109EFE2119058182fD3D75EA63",
    "userId": "222972690"
  }
}