{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643953",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x774a1480ddccb70692dc1024ce2a0f486cfc482b3476c005d9c177cae0fe0a19",
    "signature": "0x44ebd498b5c2ba81495f6073887986fba88835d1c02037a8a2d6fafa17f40abe134cf2dbecf9fce4ea0cb885acadc011fe7eaec0a3c9027eb8a936525cb171c51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}