{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0x45cfc22e231555d539e67326add515e102f383a6fcfd262f80d673400af9e54a",
    "signature": "0x3c40452d4037e39353709d79266d4f08eaf655574695e35d0b6acf2fe32d3b612d77c550e35d1579de9258aa072548e5dfeb944c52a2379d8b3adb1b25c8c5c11b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}