{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb232e997c4de8ccece2853c5a7f110abe318aa4365b41753035cdf1aa4acc64",
    "signature": "0xf1f674ab3adfaefb5da9283ecdb27f425eda2beea346265095bec01a5f18b7a523a70d2dfbdbc92aa762d340355412cc0ccce72e214c55722452e6f7de19bf4a1c",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}