{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399892480",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5d7d967a17e7d9a1f3c9fd0a0838ddd137fae94f6f85ec9c03a195c37674f81c",
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    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}