{
  "manageEntity": {
    "action": "Repost",
    "entityId": "620657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2e7c5b1d9cd548986e86793fa60beeb0a44ee43002a1b25f7f40f5e6786f5cee",
    "signature": "0x5cc3fad9a550de47ef1ba71b8b1c02cb4a038c6d3f5221bf15084b20ef47ebd8649767a4cbf7585c205e53caaede5709bb132d174e466bc8525234330028ad5d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}