{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b23042089627ee32cab915ef069c14f8601e9a1919a35a41c2ce2cc4c407c46",
    "signature": "0x77fad0be5d3e7319a8f320d199153190cde3c867d94efa5fdb211b2cfd8184960dc20986236216277773bea328fb18aa44cfe5abeebcfc3db74f777c64c8492c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}