{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573130",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5c49f33622a3155fdd8c59ccc8080c358d28b1c2af765ac7f785a25f6f49920",
    "signature": "0xd1605a43bf97cc5b057cda1734bd03befbd629a59a2c5c24d2680a8b825dc47b4f280cd723767f6eb6f8a970d27bd17766958f39a7be162f51241fc138c534711b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}