{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338037808",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5765a10c6139f7936d9bfa67926c28d4d6aa307ca47f89d7769b8fff5dcf2e8f",
    "signature": "0x955c202d257f0837a83b595c57677a1ce164d9b61e5192b2b0b00a123a8e18ea65910ab5654844e1b641a2525c668745fc46296cd8fad6f8b1ffd363b09a25a41c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}