{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb60de6a3ef5f6299ed210268c38e2bc7962cb5064c644f18da3c65c881abfad1",
    "signature": "0x3449d999f343084865ba9063fc818e0f46ca13fd1a54ff7a9867c40ce38416655085eaf34b37ded58565a6015417eaaa39c7a9699a87c1bb7bd6c5bd6a6018ad1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}