{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305414",
    "entityType": "User",
    "nonce": "0x6d124696e395b266ed9dc88c442944deea6bdd14d2a4cf433facaa3ce20ed89f",
    "signature": "0x9cecb3eff17fb79533f5f3002154719c2bef7e11faca8754f23ba7794eef32623de6ab076aa6f1da1abc134839c9d7cd204c3d73b7668224b36c635107823a321b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}