{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421655390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5739d21ac1f6dc8ffc949ce3c098e34ad56a18fb7b5df3b931147ed10cd68b07",
    "signature": "0xb86ff6378c7525257c0c126ae9d1fb1ff7daac7f0ac502a21d8b4364c6f163943a0c27be28224ddbfebb07399c3f5149e58fd91d707058995bc025e1575bb8fe1c",
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    "userId": "854614078"
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}