{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1253314229",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2653931298efa087309f4794776c61a00339aff905080b57c9c4c4c68e280eb1",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
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}