{
  "manageEntity": {
    "action": "Repost",
    "entityId": "665569",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1222d68999b907801871199db1f2714ea78bfdb3d2e1162e6ea5acf1799eb0e",
    "signature": "0xa2e5bd4ed9499f71f4ff4061015c0e38b0e91bb7d545bef586cdd662cf2153f65adc47c52490ccd57337992f5f06ffbacf7cc9c479ab4c6a8f895feac7575ba41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}