{
  "manageEntity": {
    "action": "Repost",
    "entityId": "745559",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3fdc61380cb0ebc78251e693d9abef2fcd6df51af0dd3b6ab66b739ece09b891",
    "signature": "0xfe650e286c2c46c37bfad0b7dbf2076bba669801872f5d58ba525ae511b59c2e4c73fcf9fad6f3ff087c99e6848bdfdf860a71e29fc0974a642ceea5e673a6b41c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}