{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645234",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc5a2f9322fba39fe4987b460721c93c23b1b6c80b0f58c49a89d11fe0841c0b",
    "signature": "0x8aff6dcdce71677d5596c534e7f5fa2d294f0221e8618c0158abcaee8d0e48a860bbe7a082c514537182a37756249de6ff41981e1b269b7bacbf41b7cc1ef36a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}