{
  "manageEntity": {
    "action": "Repost",
    "entityId": "488663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7397c312a519fd53d8ad14703995f211929f38058775857c200766fceafba6f0",
    "signature": "0xbf4947afc996a0721de945254771a86d915d6fc44e47eaf648ddfa035fc42ce45951cd7a8793b65de79c3bf924aaf7537cc530549e6495c9b14dfae94f8801a01b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}