{
  "manageEntity": {
    "action": "Repost",
    "entityId": "576761",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe38768aadd2b998edc8f817b2b4a3ef84f489ac34399076d07e84196040cd4d5",
    "signature": "0xd87b3b96ddc8b427b8e9d4dd2eec169205c578bac1e0222605f9a79b1fa05d5b693b2af193d86cc009f3105c8a4d1dcdbcfb0ac1b035268980038aa4aa23303d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}