{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398511",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc966cf0bcc18556e7d709907faa283a6e3bcd8a9daa45849a099aa41fe96b95",
    "signature": "0x3ae5371563f6b4c85f74bb9e63cf6cfc62119979b82764ea7a2070d0304fe75f63673208f1ddf409cf9bdcf3619ea299d290ed035aea017baf9e5730d7a4dfa51b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}