{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644285686",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x486445a3206b9ec06b321a35218ba00b573af2428b7adbb45b258c675819e6ab",
    "signature": "0x84e94c4fc6de8d41bbd3f298e34f18b52b43292a74f2f0b7b5320ecd9b0af8983d764671ea63febbeee60a0605fc18a88a3fea6c4edf2f1fb5ad16acf2f69bac1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}