{
  "manageEntity": {
    "action": "Repost",
    "entityId": "665943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4164723d0db15003775aeee3e0f1eb40c237483ac2ac4f3642456f790294bced",
    "signature": "0x70efa85d6c557bc57d5656df6496098873b8c2a16af4602c30a832a60020a83f421677de968c55ea19a2fee2c9f0e20c871a809d9ec7beeab23a62287c2fa8c71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}