{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544488",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x89f9daf95907e97baf8fbb8ece17bec3a3dcb5f519f54e59f428980de30bb5ef",
    "signature": "0x3df8c838c89b2219ec370aadd073fa8540ea80b0cb5cd9ee5f417b7e0ac037ac193b52ffd928ee91bb185b2fb64be0cea1b8a98042c83643fa766c41c506ccc41b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}