{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xee70c62764dcd323e66d9386e304d5333b1d86b3a465be3d1d46ac05d10974b8",
    "signature": "0xfed04c641bcec92efca91c907170f45e3c3692ba87d80a7be3999655b59a6c7d3b3a6509f7285dae3f1bd7f7671a00cb9833df2f0b92c50fea8008c39081fdea1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}