{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515537075",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x823851debeb02aad6491fd2f5208e3bbf9ab954bcb62b615dd3775377c511042",
    "signature": "0x1698321ff6288fb96d29891825a06d1e0c4cec09d950c071b3d04960899799fb52dc34bd067137a7e6cc30d64e518cccaf75545721e439e4a589d155fa13ba1a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}