{
  "manageEntity": {
    "action": "Repost",
    "entityId": "505916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c1d451fee6981cf8a2a7ded38a5918dad9dcff05f94b453693ae113a1d59ab7",
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    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
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}