{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668686838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39fe4b8347061ff1f3178028e1218ad66472f580e48e94c8c9c7df7fb66eb440",
    "signature": "0xcd5c185d3bc95159844476cbc2703b867971a7f21080e909125f7fdcc2033f9a29a6193873e02625b2399144f4344bf6ff5c72651391df8342864e7b1e1bc5781b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}