{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xef2410ce55a3e7642ca123cc44eb6f7a211b6f406b768298ba20fc2f1e00c840",
    "signature": "0x6922dfbb006fd98982b6121fb24ea72a5f5bc27634736715c785764d58cef9f32503314db4eb2386f4acb8855cd6d17f50543888486d0dd388a825c46d23a92e1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}