{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407366",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5cd14620c0f893d449ec3f5b6dacf69768abec4bdc6819cf7f71b6eabd4b5ec2",
    "signature": "0xc5bbcda8cfeb52d305560df40f092f2dfc6c2c3c3fe7236f8b7c3144846c179b35c66854ba01f3c7bd1003b96fc36ae03c4d645f360305eae16872e837733cff1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}