{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857619461",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x806a6b91372097d05fb53fac615b6b215e13ba5e9ab1b78bcbcb6ff24b62f4dd",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}