{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd2d82387bc4e8403d14e9b17ace74840ae731a36832f32fd84131a1aa93672d8",
    "signature": "0x45c2020c510ae1d2a936a69fe64f0b2be4ac553c1e53eb49272e307c2e3879073e4925ce995558549ca8c152052c011c47d242ce1a3fe389ab0a614277759d931c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}