{
  "manageEntity": {
    "action": "Repost",
    "entityId": "5432",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c2f6e5ca926d096a6fb09a5a08051115d38d3e85e6f6a3300c7a4e01cc2e01e",
    "signature": "0x77e11029fcfae3bc41382e92010405f83c595db4d12c680e1ae04ac6bf306f707b06dac6f6cb21fe1f2fe8cfe7a715d6b1fcba693032e8d6f8b51f65be23cf891c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}