{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299523185",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x854e1f7a8b0e61ad5f08c9bd13f1b60f2de05af2ccbf683025cb6f116a8a145b",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}