{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729885487",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfffd772c8cf19cbb366173cdc56db539bf24f030ff43a62d586cd5ebf944057b",
    "signature": "0x760c8a9b8a4f0e3081453938f1ad641ce05a38778b5c04807a646ef4f1db5cd60f0d8a6048c0b296fbcafa352cfb841123e0160ee5138106e82d3847b230d9671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}