{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399981340",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x038d35d4b20ea84932ed9f6ff71228207654646fd6d06746876996a1449ee74c",
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    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
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}