{
  "manageEntity": {
    "action": "Repost",
    "entityId": "586397",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81d945c5c5e39dc5f2a9c0d1816a06fda36eed6ae5eb2c9fc3105e7c3d3cba49",
    "signature": "0xb05e20ca5d9b65dfe4b070a07c1400a37ccd9d1f79bde1b26c09854e86b0328534050f1913acb995d5e6b02ffd450c631f5eac6749ebbb769b9fff5882a1fe3e1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}