{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558826008",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2d525ddde3a23116b08be913360d6805717cb8390edd69e8fd9794baa78b68b9",
    "signature": "0xa5e3f5fa7650c1ce98b4f44af153ef7cd60301e6be3287cb79b8b03388a369e945a78b9597b17f1f65a1bcb1946335d9b02e7b127837ed00cf54ed6f276d466a1b",
    "signer": "0xF66719AC0E8463f8c9660B4412B4972e1dB48183",
    "userId": "57021"
  }
}