{
  "manageEntity": {
    "action": "Repost",
    "entityId": "921996519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x446931e2a7fb68bad10d67f262dea50c01424a1f157858670da956fc3d40ea16",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
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}