{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1407071757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x86e06ca6766c8f85f5959b183245ab3b903527b7b2512ab45cc17f3ba1a11649",
    "signature": "0x319f36c9be44d488ddea62a958c7423a1ca2789549d69763e3994217b7610b6a717bfaab53e82dc2675d781e27c234ee558cdffc91a62297493d35f4272e36ee1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}