{
  "manageEntity": {
    "action": "Repost",
    "entityId": "876543063",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x851c87be42e93153b44596dffc046162ab8233b163af5f516e2a98d85003a6da",
    "signature": "0x502a954e8ba59e4ecc635687a08df007d6600d7997f26708130057f25dba03ca61d42fd37e6b033a2f0f5a5c2ec663afe5eab40f355463254993e5ff0deb61171b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}