{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615600155",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7761c944ccbac545027c8d5722f1a72cf7bdb7cf41d8e69f3c40675536812ca4",
    "signature": "0xa221f2d2c3a1f4cec880a41d12d48c8148c718515ccff9fb3c690296046c7d284605883970fc4f97fa67219394fd1ecf23626b2076bc858037685ff5623f151a1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}