{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1323786880",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc52bfbe1f232ce118dd80f9098a153010d0e9fdf95ab3f65ce42da2ed794a748",
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    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}