{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1321015901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x372f92ca914af2cecd8fcabef5745d9c7a8e812016341ca1356e33f0ce51b4bb",
    "signature": "0xda291e8b8045a1b35a87ddd9f16ede72d31cbafc9c15600279b99f239e70caf23475ce9af0c1bc13ba4887ede04951ceee5c6def28b3f6cf1a82fd44e7fd1ccf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}