{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1258941890",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f81c890ff6f97ac9fcf91d1820aa0533d10d6736c8082a01627a7771a385439",
    "signature": "0x9aacb0eeb3f1427ff9dd78ae00a32eaa6760b6eea8fde506cdc8ad47decc6c097c375c81d9e625a3e81b2dd380c2bed1badf9d1918daa3ef9c7567fbda366c7f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}