{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491289137",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc412ee5306e9609c19869f0298acca15cb6528fa69a824d4299f1920dac52a9c",
    "signature": "0xf4e01e4c073eeeab1c2c20162c5de8ac5ce377e0bf8d91652a84da649cf7b8534cd49dac273de136acd00ea51795698ef3562738eff40faab7b81b139876ba431c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}