{
  "manageEntity": {
    "action": "Repost",
    "entityId": "687969",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x579e17fd88ba769f992acc96486ec922e0a879fad1a474f4591e5425dc4ae45a",
    "signature": "0xa9f5ee21792a5a53602dafd9b034f09a8e4fc63bdd490ba978ab755af9da7fcc3da8976c6f13325bbf5b0da402486f49eea8b115fc59bdabd13e97684b5582781b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}