{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666762430",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7bc621078ec41507e2b7bee286b3794091c4178603ba5486ed68b85c751cc1fd",
    "signature": "0x24f79ab353420fe86acd41df5c31867b2534adeab99768eea7553543705bca7a7abc75a0560964c8c1f66e453ca8566a4df48007617d7b440a3cb51a45e80b3f1c",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}