{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646050547",
    "entityType": "Track",
    "nonce": "1789929958744812367",
    "signature": "0xab1fb1d5cd0adebf6a2f2715f0176d2bd9bfd8ced9b72c5934efe0ed3c6db1c0789b2788d392c11ed30becad72a958f1aa1167d1155317f10dcc486a732866c11c",
    "signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
    "userId": "568518925"
  }
}