{
  "manageEntity": {
    "action": "Repost",
    "entityId": "665949",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00b16735bb7a7653bc976e0b3ceb9dc7979da79d368baad3655ca16ffb22bd9b",
    "signature": "0x4acf5bc9071e5edecc266ec059ce78725725a848aa580e5dd00af82a219d98606fc7c222f4cc54bc306bf2532fb5f021faa5dd3073bce76b556fe51fba0f2b091c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}