{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1664465368",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c0c071dc0417c6cc9280ca11c0a36cdd4501964371ede31d28ec5dc30e89c2a",
    "signature": "0x8848edc6c84c605311ccbefad1791c68c1a03101a5daad5cb5b42c77ab41fbf905b763872041e6f7de1077ebdbc5b42cb12c25a3cf0298b33425c97375cae2e51c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}