{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729255708",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1ec35d0380a8f19aec30d5e55e31f56d9fbf10ed21d04ee4846283a075e974b",
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    "signer": "0xa675EcCE93732940f7D7F9BaE9D057D5597F28bd",
    "userId": "464068456"
  }
}