{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14012",
    "entityType": "User",
    "nonce": "0x008777c33ceefe45c8971dedf7a31a5e3e33b96c1344af6c70cf392457c68bcf",
    "signature": "0xad6b24cb4adb390b5c41287659b1e3d7d2fac0309f7f001d3c4ba297ec8bcb70422fa336b838bd1685db94834fc46586a3c849f7349ef2821f824c1df1301a861b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}