{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300303",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x016146df1ca5f911b2094f3f85bbde809ae1d36250517274a7e666f96b59f9ba",
    "signature": "0x9223417fc5c2e704284ad782735ca0b9ede5cb9ed4191f668d0fe61e4012a10e308b2d86f5695925dda80c7ffce36ea09d8fdc085bf3957eaf086af4677b2fca1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}