{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x006c13a0e3d139e0bc15be5e8c6de502cbc23a8a92fdf252fa1cdb3ab31280b0",
    "signature": "0x02a14910fbda891a877a363b089778832afcf5ae277188490d17071296c2af7604b6a075a513057809a5ba189881ea6ba217c530b363050900b7f7f8c86a82551c",
    "signer": "0x6bE1750982C097e426E546542683fb42BD1698F1",
    "userId": "863774823"
  }
}