{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499887144",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc17f9e5ae9174c4473c3e5cfee01ad1ac78bef73aa4fd9ccd84f15e275eb13a",
    "signature": "0x4f0231141c4522eb3097b4c608baf16fad44e31ae295d4dcd7b787f8ec2fc7ca4ef74134d4d36211679382126ff113c8d74cf2712b522509182c6cc35ebcf9df1b",
    "signer": "0x3324C23609BC25902C39CFa38CF40581c7Bc7F87",
    "userId": "229134011"
  }
}