{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101812",
    "entityType": "User",
    "nonce": "0xb0820684a6b7200251fd2f66adcafb27651116a0508a6ba1326cbb705a09f8a1",
    "signature": "0xa7c4faafbba30f9c8698ec54607d7eacc5004d4e4cc683e764c192e3fd0facb0338eca46d64806a1ed545b528fe8b0574468429399f7415ff04ff6324ca531431b",
    "signer": "0x6e2CEb8Cd4f0A669607De6c8686f7B2E15dEaed4",
    "userId": "597766938"
  }
}