{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d9455faf2473029ade36efecb6ebfba160db2c74403455d7003f69abbb78a84",
    "signature": "0xb231303418c2afbf107f9bbc5abdcbbc6b01400988fe323eee2a67274cafe1033a1691a21e5a41e4ffd3a14f0cb5157d73f24d44264a9e5122c8e273ccf5e2ef1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}