{
  "manageEntity": {
    "action": "Repost",
    "entityId": "422576456",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3745ad17a54868c1d65ce7606e2a7312e4c622fb8576c4523da4abe213adc792",
    "signature": "0x9bf5a8d8e4248064e683a06f1b39e9e87b7d9cce8a3748abad749fd83f12418f2a94670d3df1b5a9ea6ad46b0f44cf8a02e48ec0e6d2faecdecad5737fea9d8f1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}