{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228625",
    "entityType": "User",
    "nonce": "0xb805199da6205d2631e6bb55f4bb3c39de76f2dcb98e234801439f3fa553b09f",
    "signature": "0x4f70fc1216ac6a0d87a3265a0535767162ee4e9476686207ff9f664d84dd43c535501b2409f02037e472850eb88268ab861b4bd0d017ba1cca17ffd53959b3151c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}