{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121491",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04fa70625ab27b2e8b20c1171bc4fa0184e61892d466c312026ca9fbd0f3e01a",
    "signature": "0x6ea80d654b30e655bf2060656f2885fa369a13cbfb3b3d33a18d2c06998a23f84a9d06dcb32796cfc49b3271ccf36bc3f786ee680b61af1e4548ebd11adb23561b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}