{
  "manageEntity": {
    "action": "Repost",
    "entityId": "404303",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1afee7d6aaff4fdbbd95470ac4a8c03e43b0870bb85a1046563423e9bfe376c2",
    "signature": "0xb151edd5a335858e8aff97153432a08d6ae031130116cdaa47f77280f63281a6782402ac6bd0fdea954bff3a8011aa8eb40223aa2af49e2a74cbd9bc821cecc41b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}