{
  "manageEntity": {
    "action": "Repost",
    "entityId": "517808",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60769b7a71d76a31fd8cbf34b0825ef74a48fb4f85e0837986c45d789592dd0b",
    "signature": "0xab01c54f29e03103281ecc16108b8b0fc74dba4819f95c8c5214348df57c46580cbdbf19be69b7d3ae66f9bb0d0be64f16ddaa49ccd5b62969061c6426afa2931c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}