{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257386",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x108182f988640637ad3f3f6c3806b6d8ee9b611287081e4edc9b771b58c143e2",
    "signature": "0x75d541213687a4d78d85497e9c157ed496880e943b19a2d1ddc465cfc5f2f2bf7123a97cc7a9a89f2423e7679f002c2b728902dd5f89f08e47bb6d8ba0820b331c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}