{
  "manageEntity": {
    "action": "Repost",
    "entityId": "612017",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1200cbd56cf402466c4edbfd9128ba7447e8ec6403e7f5aaa71cb1ce2d1f53dc",
    "signature": "0x7d96a0407efead211e1a60a7a74a15a5e807371d22bf251a03ad55ff9aa7cb844eb5d618427b66d7ad73575612901180d06446113bcf464e0db18054d0d4a3091c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}