{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257351",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7088410d52e5de9c06e33dbf0dabe480865cfe5db06a494486c1bb3b5daff94c",
    "signature": "0x799489c5f0c3ea66aff739b2774fc73730abbf2de6837e49d309baa5dcf24c88152d2a39d8779a9c401684737fce842043431ae0674fd13325ac02b7ad25e4f61c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}