{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1553646659",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b0f4a3dc03123cc23e8da1fe333875fb032ebccabf87dafd696e1c29b7e3909",
    "signature": "0xcf348034ec0ee2136f860643f686cc20c4ddd119b0464263ebee74af46218de337163cd10dbda262eedfa918ce799613ebb31ea12edae9d71d02cca2bb62e07b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}