{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644695488",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x38194ca8fc2ccdb1afe61bd0279bcee6565fc0dba1efad87c25d048ea3883c3e",
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    "signer": "0x8a278E79c8E7e655B94c3e6798972A44Daa2c6ad",
    "userId": "24098924"
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}