{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8833608c5d1a1b7e2f1903954d9dab36c66317bdfada904c72ad810f91e6781d",
    "signature": "0xf7ef4f5518af0a437a31b6d8e9757684baa1a87482bfebf34e15d033cf4a238a7c98e07e6c8ddeca7e6395e6a59fe49102b377cc76c40f47b90adb5c5427959e1c",
    "signer": "0xA3312C0b98998f02d722cB8f7A2C0c28C4370Ca5",
    "userId": "49582319"
  }
}