{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x12f3cd2bb78b7540f7be382947ae35e882c66e50d37f3bc60d339468595ec50e",
    "signature": "0x75087165fd0af44c64fd8d3388151b189f44df56520f2af19f56dfe331d85fab757aee2cdbbc9adc15295a9ce2ac648e0b4522e7f6f2defcff51533bba5770ae1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}