{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503209367",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb13fc8d0dd60d7029360d16c1760e5fc15b0e5326ab3d32a0637d77bc49fee70",
    "signature": "0x7621e57bca1e893a9ad9461a019b98e64b44c1aa6e23a4b05a1be63c80f2886340c4bb36a4110b3f9c2b5c211730e4f2662f543368232acacd3588c5104497df1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}