{
  "manageEntity": {
    "action": "Repost",
    "entityId": "742251",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6a96b7f57010ca6e07bb999450759ba0b33d0496838163e5444a16eb1683d546",
    "signature": "0xaa8335b42c45e0ba69f333cb7181a16587b6b30cba67b9cb6e72fea01f2789f97fbe7e71e05f556ecf37209ed833ab3b3b119344fbd27468a4c427c30a3f59611c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}