{
  "manageEntity": {
    "action": "Repost",
    "entityId": "577460",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6edb2ff01ec5765fe5b410d923bcd4327651b464dc2ede46e4f0e326339c0f1d",
    "signature": "0xfe6b4c4d263bedac680ff5af1691c8171bbe87fef1c567d6d7af9397f40dc7b22aec921c8737c530958c8e470a3af28e226622eef0fc07ed8937ef78eecc45231b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}