{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1378628721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbc31f253ac45981fdac05e7b57e5ab2312d77ed8159e8db662cc4df90e8571ff",
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    "signer": "0xca797dA7dCB793742623d55EA81fb92A9566B550",
    "userId": "363062902"
  }
}