{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499123574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9db76e9bcd19d232fc973cb8f690ba4b33accb232e3d6a0759c05bec395ac592",
    "signature": "0x9d0b5def119851b2ffa8f0f2048440272fda8957333dbf2c503c8b6fa1985d6f161bf1026a028a303a27cc2af943d1708bd4a159d24220d4c332838c7f9d70331b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}