{
  "manageEntity": {
    "action": "Repost",
    "entityId": "339980",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4dda5b23758b170fe069793ac65f17d8c95697054f344bf8f0dcc36ec65598cd",
    "signature": "0xc99d8eb7a33d915caf017937bf7d89b50724168f82d8a15f1c7755b3445761d152556a76858a70847e004b8b1def116cb11304e00d1ab1a80420c2beec7224171c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}