{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639255698",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1140a76dce4aa79cf7e9eb2d0e0d425c1ff11d8d2f72524e4ad576b0d908a28a",
    "signature": "0x1b601b3b8dcd935883ecdb19fac1b2b503b42f53bf5ba00ee599c1fe0177c774746e34a06acb0ea662122d95203676632254494a29cea6e2da18082456a097051c",
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    "userId": "948584098"
  }
}