{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290196",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4779c117f85a1115ba3bb4e8bc81128a05d6dd70444bdb27e2c66be1577eef3b",
    "signature": "0xb4db6580ff81efa500759daaaf4f63d7c177611ad326638cc6fa78f189f44f23251f7c021380b0d8fcb911d8acf5843413f6d66f7a131df07e564114c46afd481c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}