{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448893475",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6678f567004bd97178cf8ac473a54be6d4a283078f1b4e17b5ab103ca9c9a6aa",
    "signature": "0x804be3509ae73920c2063945b055d937e95c2103de68ec60720c84febdc4eef4592cbee4f90d0a4fdb1cf973f9c3b1680fa85cbc8cd89db3193af0110ba461621c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}