{
  "manageEntity": {
    "action": "Repost",
    "entityId": "434389493",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd41530e6596284c074708007a8001ee57d196e580f878da019221996d561caed",
    "signature": "0xdfa7538965144431c6cdcae848792ac341bec2308a0a1e300d71f92fee63c048725e3061dae7ec27f21c42493bd59608bb0b15c613c196a7082729739fa1730f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}