{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6953b76a6fc4b9b3c6be7191d73a8c44747745aa41f0140204565ce2617e24e4",
    "signature": "0xcc3d21ef3406d2707afd41fbba1b3699e7f6f75e9c39e2c4d4c1115bf1477ba02f1b9354c072fce00161d39fd5b5064d81580a4071e4b2ae357b06ece923b4201b",
    "signer": "0xdcCeFBe05aAeE1a5851E9BeF4C40f35e25CBc1d7",
    "userId": "535741680"
  }
}