{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288826",
    "entityType": "User",
    "nonce": "0x9ae269c1959f03aa0aaa38f5c660537780cf7346f31a6d716fa568ce5fcf3352",
    "signature": "0xa13680d5c26f98acf53d169246619336a0c7e8cacdd2734cda7096e8190d609d5dedb37a4cb2ebe710d2150f9a3d2305d9f25072642b7c71ca5bccf1b4d9d3411b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}