{
  "manageEntity": {
    "action": "Repost",
    "entityId": "51339",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b88e52f7fa3ea85c341d9a81e4d4d0940c15e9a2c672304c5ad30f5eacb5dc6",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}