{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573563",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x50ee3b7f6e31207e34a52eed5743dd3dcbffeb8f42a08c9e89808b6ded9d7206",
    "signature": "0xb7adb1809c5a89cbe2a650bd83d61a63775f0e7e4baf73ca209e9cbf696b85f573f3934c4b2b6da18d4bf0d73d856304e3a6d5d71f17a61c37266804d0854df61b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}