{
  "manageEntity": {
    "action": "Repost",
    "entityId": "607368884",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x46bddce1524dbae74b6da1bea9ee3ec6f62ca311dd2383b9cefdd04c0706d30a",
    "signature": "0x9445d19a5375e240ae4df707785a9c04be8e64ec0b8c849387be87762e093bbe6bf8e94499ee57a373a8aabe4b83bdfb50201eef1e6438722422071dde300bf71b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}