{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1436837",
    "entityType": "User",
    "nonce": "0x4ddfe8164f8d0222b340806d709512b05e871f2cc30ad5fb78d3bd9056f798f9",
    "signature": "0x579eb960ff4e2568d79dca448fd49b6ee907333ee97db615fc351fa8c790460121e288d4ca8c7d8999c65f6f89c77debd1850cc20370f0bc47c4735e849543c51c",
    "signer": "0xb1706D753BBf0bEd5084443ce266B6E8105167BE",
    "userId": "670186204"
  }
}