{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751185891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdb0341757cec79ff300fc0b00c0d385fdfd35cf3160a31f6d4456604ed3c0273",
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    "signer": "0xDf4BA83159e91A883f3168784B8660c317e9877a",
    "userId": "352055015"
  }
}