{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121340",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f45a7c99fedaded1e2c25da23469ca8ae7e1185cf5aa0c6d13004bd608fdb81",
    "signature": "0xe7e1f9a518a5a16c16c4db4a85db5c4bc6439d120e7bbdcdcac5e6a768a7554a3419604af86588d94461d6f93c6eee98911de1a5ce1005fb7c172eee515ea5da1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}