{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2afcebe328bdd9f86d8e85e148165fb2d66055dbdf4cb388fad1df11139663c9",
    "signature": "0x3323d541525ef903cd37d8dbc0e00b2c556bd48f8cf587401cc447d0c7921a3d2aaa1431a5da7ae99220d2e0863fee72cde8d0dab4d6492d7d29ec7b82364a641b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}