{
  "manageEntity": {
    "action": "Repost",
    "entityId": "658975444",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b09ae6e4be8c1860a9be05465346b3978ccb1f8da0a01a70713ac797711f71b",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
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}