{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1923843783",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f676057f7b15a20712cc31fd2b6117264027dd10eecc64d02d37d76ceda5de4",
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    "signer": "0x7848c1438a663A70aF2A2B1e61f7A9229dcc818e",
    "userId": "490080902"
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}