{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599996867",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07a5f3920f23bea68d73873fcd5ffc04ec780c8cbc314447cba4f50534f3e82f",
    "signature": "0x98f03bce515ab254963fffb6d119ccb932c437d3a410123dd50ad39c5cc578e84cb1640cb2b19a1dd6ff52b980b52e7eded74d2c67e820f6f893abc4a8c05ee31c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}