{
  "manageEntity": {
    "action": "Repost",
    "entityId": "502189486",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a1660fb2f2d028bd0e4d5b52d2ce052cdaa89339f8adefcce3bfa91b8e3dced",
    "signature": "0x7a2faac54cd511334590bd76e518d779ebb30b4889ccc49096557e8c1eed44891dd1669bae9a63dde1b64d093d6709f3a6bc4030b9439df445524b36279b32c71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}