{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x5a22fb2e5b873f1620ed3ed1a93b0f046359510d3f45ad933a3328d56f6b30aa",
    "signature": "0x3b4912a7638da42c3ff29d11196cbe16cae315e5bc86eee3563c21173946674460a2dbdd23447dac38b8a3c5fb6dd198523cf803112b6a1089077a9d23629a8f1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}