{
  "manageEntity": {
    "action": "Repost",
    "entityId": "741376",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2d30b8ac6c4a7368e0ab1b2c5b710d80f4ba0604cb2d00d84d59c3edd6f4509a",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}