{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521589779",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb901c6bc732072a147447ed0c58fcb47b768099344efde1d9aece4d0913b2fd5",
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    "signer": "0xa5cf2A0b67A9F8aE59B937369F6404d7Fe103c07",
    "userId": "641892598"
  }
}