{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xd8edcd054b7b4b4be4de9914307492ff2063924d2af84629ad6d4e94bd48d8a7",
    "signature": "0x830531eb11f1c9742664e9e3511dc1c3e4465dae13fe2615864de4c96aec822169cc1c085774b680cfd4f5df0fa462afc04325e6068d507ab8f7b6a1ba52c38b1b",
    "signer": "0x8EA5798e08E1Fa9c75787f2cb2790614cc99aA66",
    "userId": "243257051"
  }
}