{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1338529969",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc98661d825863197f682eb9fb440c94ca2544d5a9cdcefa7b34ec4936e0a12d",
    "signature": "0x389a49b5caa27c87904491a1d7f416d1e57d83b52bf824e6a58534cdf5349df0652904b1af372bc5d4207fdf1c8da35a938b392a4a1991fa84003137efe2e9541c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}