{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664726",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e93b38a1038fe699ae4c8d248d129990d7943b144f4e2e07bfb9329c24da411",
    "signature": "0xbf769e9ca9450239ddc807f53d5758b115b1cb6ef26cd2e354339dcfe64177ce2d905254594b4d1d68973b15ca3daab9555bdd4d969858d8242262fefe30e9ef1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}