{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808512351",
    "entityType": "User",
    "nonce": "0x93cb84a23424cd90cb0e6e3ea769f20dbab35652974f804ff9b150d72aa269a5",
    "signature": "0x539317eae16c71071ef9d1f3c893bcdcda1443661d9a7a1f5ced212ef54e362c2c5bec051afe250c437116f07ebe8dcfb80096e38419d7f9bb0c4a89978702d11c",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}