{
  "manageEntity": {
    "action": "Repost",
    "entityId": "749801288",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x070fca5efba780d75f9318d1603869c9b17ef330627e52ea9e2e7ce66e9a61a1",
    "signature": "0xf237c7ace4ea14ccea7ca759aa37c80b65dbea90bedc1a3e55e6f408282ab2063a623e793242fad6ea8db5f85ee1a60bc6037c935832af3bac325a9518d321e31c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}