{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499971689",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe0655db013e6bbd802061f48bf73a7fc03fa11b35be952f357d20adbbfd5a6b0",
    "signature": "0x7ab56e9cb9c13339d84678ed8187576d03da847727248de4bc4f7c0661feda05529c865d493cad6f120eb677f1ae55303f97c0792a71ba1e5d2feb3341ed28321c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}