{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573657513",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x41cb724f38c2e31e3a1459310e6a4b631e7845972d2793e82c6e1dfa931d7379",
    "signature": "0x860ef370fb03db8d100eca743baab3fd0c7da5030fb9f1bfcf77da2ecb5468c067a07864495eb96bee1a619b5d6c48cc6ae8905ab828ca667106620996848e3e1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}