{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1515910239",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7254cf3eb907436cede0cbb174124572a14b2e68a88cc5efa3188d7bc3d229e5",
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    "signer": "0xD71D6a61b797d5436c8d291306fd7DbCe6257Cc2",
    "userId": "117522"
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}