{
  "manageEntity": {
    "action": "Repost",
    "entityId": "353902",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0adc2173da42699c45dcbe0b8a08a869ffeb8ececd2b07e8654ac5a42932acb3",
    "signature": "0x17a4f48e067cf06c21c373b88711b8c709b1b616d533fba2f68be4ed6c9d0167074c6ad7d8cdfa79fb06d47e297d2d8e40fc668ddbaa5330cca141e86c72205e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}