{
  "manageEntity": {
    "action": "Repost",
    "entityId": "618311644",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa78b23f2ae9885cd23eecde3c5728d23174c9c0e0f05f02f486f46056c050f5b",
    "signature": "0x355f74741938269a67c7bbfcd6b7027002973a2f6f636cc49a153f67a22c08286999de24512818b042c4c259cd54ce7afd0a48d2fafba4dfc92792105ec8b8891c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}