{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111374",
    "entityType": "User",
    "nonce": "0x7a762b117871aec0942ab91c86060804355c0c712738682943c309e88928548b",
    "signature": "0x89b3abfcb3a286a13b2b3f05457271955c180d0530eb53fedac3a69ddc3667970801834064c693045b5ffd85efa8e5430ac23cae1664ad8873c7e1ad919f42751b",
    "signer": "0x546643B8F8164fB6dC42c93F65D31C17676Cd995",
    "userId": "305541868"
  }
}