{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520339",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x900cedd0c853b84eab510b805b95ccdd216bb1c32374bc7407bbc514c5f5fb09",
    "signature": "0x09e4bbd06cd0ab7682174c5a8be86176f10a4780b095af7adb4b659fc39f51ee40001888c636f9f651fbc30945fe2075968ae42779a2c0ec7d00c6042c0f70a91b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}