{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1224588217",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb76f922e47ed193d3632d94406733852c9d44f4a91c4bb86c6ce6e22151c6dad",
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    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
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}