{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121340",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd3a6985bbfd8c84ca2111e9ca39c5b19aa0b3de06b41248e8f85895872a816d1",
    "signature": "0x542aa876abc1a5aeb050c7d797dcd0c78f279a69b4f01f1d5cd38a45826ce3991d4a3411264ecd061626ebdef1746bcdb2d32989c919d99ba5aa2ebc3e0ff1f21c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}