{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6c785b3c135f72d8d5f15014b2429453516b5136226d446b840cfd1398412811",
    "signature": "0x4d3183ecf2ce91a4268dfe04711637571288f01d39b030c37d2bf6213340791776e0c3d8a5c3156be4a7092b175bce1cbde30e25b1b921e7e38528f3bcd8ffb31c",
    "signer": "0x86664D79Be6EC6488E337DC39F61A37f8Bf5d22B",
    "userId": "830758970"
  }
}