{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1294000737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9be01e138e6933d5dda026ab7b83ab5bea54303d53d26ab6a602ed574bbdc488",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
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}