{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645191910",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf417b1d6e49cbed28d29ec8025852dd911bf3436be76d79fc9e3941839ca5e8c",
    "signature": "0xd9559184a68ff1a02db78ca0e80a70fd9f551e46aa5add61c7b5e890153171e71dbd8c881467fde919290262b792abd8d795ff2a897d4ac47239b6deb780baaa1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}