{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729781",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ec90735684e80a9f87161aac039778ba3af4134b7c3ad695d3c5080780cc2ba",
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    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}