{
  "manageEntity": {
    "action": "Repost",
    "entityId": "691640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x379b83978486253139a1ebe0642ff0611f8e9d3db81986b6cae1d49a4c2fe1d2",
    "signature": "0xdc279925081b70b353f29a19eab4343ec712a88745b10bdf6b49995dc3b3c5e83fcd398f92245256b9ae3e899717c42e806e78c8c60cb3948fbee7cae03f76961b",
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    "userId": "620307004"
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}