{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1666513620",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9d90cc86574a602092714b7bcc57a69d7d0368401138b97eb74170c9255e944",
    "signature": "0x376ffe1c483bf2eb6a8441a21cb4695a8a917d335e27cd012f13fbd3ce9c7c496a9db2a94abbccde9a22aa93e6f5cf4015d3dc96e72122cf0ae23d766062cd721b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}