{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe08d3005e8610720ed1e6afdde8d5b6d211c874605295be2b92226f4f671a189",
    "signature": "0xfd8690c4be774f1bc97950cf7fc67ce5ef152da810bf3124b43d3a2649e93b694b2997beacc5e89cfc74065a5c354503d754f097bb1993cb21d9492f821acf001c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}