{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516103172",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8fc0e8395131caefc9e5a01e2a599a82038f6ceea7ef63a9efafad60589ffff7",
    "signature": "0xd6371bcdfc722a9533a632e9b6db43f04a795fdf942690f1adac1c12e9d698555bbe387db1874dbcdddb7013feda2bf36c3745440eec4ff867f248b02bee1c1e1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}