{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300030637",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d0da55ac29d8610276a771cf43e78a64affab5955c887fe39d7a01eecef43cc",
    "signature": "0xb222d301a690daa031ef64f676cc9b85622c7347ccb8be9ec96e7259fdc7e8c21a75cb0ae98940f431629e2a5ff448527326d6c787eeabd47f6d751cb19a3f8c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}