{
  "manageEntity": {
    "action": "Repost",
    "entityId": "783910",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2352815f3479b2c120f9fbdba98e58ead67507023a44d1f3b4aa8d160ca6750f",
    "signature": "0x074a4419047f70d696daf60e563b33a3b09dbd1562e23c72f9998e706bd5a4eb335609fe24455f3da28e758d759124d0e6c3bf9d250d1f2b4b3524dc9a74a8861b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}