{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447258199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1d2281c62b1f631611296849e00ccc0c70467e7d76bc64df1fcf7e5ffcf88977",
    "signature": "0x855be4f5a9c425293414e0cb5ecef8e1af21b162dadd2a8be68dfd7d84487d490d7719bc0d9ade24f8b815afb6bbb9709a7d348f1c8a3d2883a1c69d7a10e0d71c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}