{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603413628",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x967c675b0c8080f3cc538bf175227a127b976e87424a01438d59f0ef44a9e42a",
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    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}