{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xdc5ca4d995103a6703a3fcf6de728e19c53e11b2f7d8c92b98b62137560a9765",
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    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}