{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3474abe55a20741c342a188c406c0606c7a750fb9c1a3a79f39853f7bd1d172f",
    "signature": "0x30ba5400f4dd472fa14c21194f10ec74de4ee9c0d8d9eaf15c09bf9d90e001a32639a0a34cc778e677caaa1067e889399c94beed5679c07d4f52c9aec2cb8e341b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}