{
  "manageEntity": {
    "action": "Repost",
    "entityId": "647043",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6e6b5579a602da663996a685ce645810212c1c2171b80402cee6e88f393b56a0",
    "signature": "0x45b59e59c6dd993e464efc555b9bca65972bae338b9a18d3fa90b72e6856fc450eb1b819e2b9ec2025248fca216a01d3bd4a4a5e439ffcc3ec94b9e0613210901c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}