{
  "manageEntity": {
    "action": "Repost",
    "entityId": "691581602",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x56c39f74beecd32f6370d5f0f81e12d8c31570f0a51d3825cc47558b5ac58e56",
    "signature": "0x1d83eedbe602af0eb6576a21e7b2e409277a61c036c0c2f530aeefa0a23f725e4f223f5007d0aa0ef654a3d13a1475f1e309db84d5993ec17a610e9914aea36c1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}