{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1437558641",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x59c71a66b44bfd6a190d0bad86aa0a2806f211dcaaa7af3e52dca09aceadfa42",
    "signature": "0x9b8c05f6b02cd5a95afcf35678e8bf2c9cb3c3c8026413d464d56cfa91089a19722c63daec60de61bee8d1ac6ef21739123f005f1675cd918986235898d8f4441c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}