{
  "manageEntity": {
    "action": "Repost",
    "entityId": "870004803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0096b8eb8e9ba3cd98cd29b080e2668e0169c0a298bf69c1e40c3026f721e285",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}