{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x54036632a23bd7ff0ab3f1d7ec8bb0f17907b80a7f6af86b4a72948c05b9d83a",
    "signature": "0xc809a3c24ca5288697fa3de0ad47a39bb8a64a8fcce369f684dd996baf0c43981881a4ee40ce59ebec52a820cfa9c370637624d1aa3ef1279d1e7ccf3714839f1b",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}