{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657565621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0b4fa48502961c2773e6ac07c493d3054c80106b944cdf36c86a9a664d35fffc",
    "signature": "0x9590b405b74e91bc486136d675dc07648be5575605b8be960752d5c86e681e286eb776a0209ce39abd58ce0a7096112252d7400f183359dc9c062cf348b7c0ed1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}