{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x57f462be29f5be0646010588ef10992a028a101411bd8c63333f9af8c3dc61b6",
    "signature": "0x1f06ddb0f1a6ee5519414224b8582dbdd9ee6039e449cf6b145ccb878c1ff93c466ca28d6a0947749f905a0dbf7d6f808b8b7839c6ad000130e18093ed71ab731c",
    "signer": "0xe43E6C35916ca6bBA6260CC57dcE9f65f1652760",
    "userId": "761931347"
  }
}