{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519966803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x73e9e76b1fbfc2309794324f1cb51444cbd00f85c67c1245b95473e305827c20",
    "signature": "0x7830a285b8ec322dd8c955031876504e0204b6f58236513f517275432e6fe81b39fcf0f347d36eb4364009b8f0e64d6647871a59d48056e52f6ba29c833df2861c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}