{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1539581950",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e44068d6a2ced27401ce8925a3070cecf244c8413cc53927a662b7f84660615",
    "signature": "0x636ac19a5b55ed4a9827b25cf8b8463db1bf40761d1f42d1a404d1e1abcb711058654b642b3b77b0d7012e728b9f87df63ee593841b768ed8dbe4b0e9e9721cb1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}