{
  "manageEntity": {
    "action": "Repost",
    "entityId": "658527",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31bbe55409bae5dd3c07356278cb6047aecef48f5f140df75620af6d3ac51289",
    "signature": "0x7ef8fa7410379b308154770dbcd0caee36dc8ab5609b564b9f4016077536c4047e8d8f308c4d54cdbf9ea2d5b7c1e99425d68276dd2d78bf61c79d49652c4a171c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}