{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258434184",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9c188a8da0a5af5bc2c9c9870e59771d6b432b4762f458b410ec58162eb73a2",
    "signature": "0x2758fee39410a5e9a243839a28f9ecceee118d68b17fd21bc89df94b1234ceff74854640b0155ad57123b5d033c5b3bbf502819b5ddf9180e47c3d407163571b1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}