{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564345774",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1223ac256ec20606b9e1ed12e05dcbbc88eda4cc7b34180ba514e3ea5dfd2880",
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    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
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}