{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5824",
    "entityType": "User",
    "nonce": "0xb335ce5675610369dcf83ab8f66a6b58dbef5b1a5caab2238b098b74974d066b",
    "signature": "0xf6a6ce3cf3dce83ef6db29ac8b1df27593a4037df6bbb9f4a2e2caaf6db6c56e110d6a1f6b05ee36f795eb7431f6ee8f7235db8e80f9c3dae504206d5af267311c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}