{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x661a1694dbaf270df50bbe1854f4a78c428bc1667683dce984047dade0345137",
    "signature": "0x258117dd78af18ec328cb49f29332a94141c91b9b890fab1a1fc34ebae32116e27aa7bbc5bc82dca6a69c0d618154f4ad2ab7d903e46ee914745f901859722261b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}