{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196632465",
    "entityType": "User",
    "nonce": "0xcc977d74ae9bd7ab8c5d5d2508621d2664fbc1a2ccaead89f04874bddaab785d",
    "signature": "0x758da14d66aa8f9eead40e4e21c1994b83fa69ff1b124c035816eb4974e555617a24e99d08d871de42e58ba2f9af481a32334ff5e9ad798facf7c5ceca19455e1b",
    "signer": "0x3EFFF4df817177c0A8370597a286FB16Cd1DDd9E",
    "userId": "688850395"
  }
}