{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558954339",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d66c617ad5afb4db2497eb00b5516a627c0ce4f3de20a76f0609623d7cdf5ac",
    "signature": "0xb12da6a1a2298065bf07bf6d6a840d4a951379c3ce92c456fe8711773f205d910a9dea5c9fb742b28b279e56d22233fdac9afe761305c8a2edca39bc5b012b171c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}