{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1290763265",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x752d41e4367de7f0cb14ecba9c97940a79ff518455ecb2df5ec00bb8210ad34a",
    "signature": "0x2f839b3f1f66ae118ea9359d8b82d1b30409df5e421c1ae86d6a9ee97f5d1ca3413810ebcb0d43fde71c7094617c5bd0c590cac81c15d2c61f7dbc377c6cb6da1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}