{
  "manageEntity": {
    "action": "Repost",
    "entityId": "133558839",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x390a0b92f078701f4546c8231ed33c7cdfd0bc411da0c0ca2a288d37af8038c4",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}