{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603038",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x588ad995a24793ccace0aebb4360dd25a2f83ea14ddbeaa2872b33188391906e",
    "signature": "0x3c8c96395823807ab97fcd9fb2dbb9268cfa499715da82e53702dcc38f17029f25b677d9bd339dd53360633c0a9310a5833ef6195928bbc8bd329dec94cb90331b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}