{
  "manageEntity": {
    "action": "Repost",
    "entityId": "140519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5043f25304defbe3445f1d81c3f52b4a5a8c6eafa58925c35f6f7eac766aa7a0",
    "signature": "0xf55c39a72fdb3e0f9af6ada188f7f84a19cb9e26338e35c2cfced6447190dd540a7c4b63ecd668ccf57fe777ba08b33f7d320f93658c0f0923fa152bfe7dc0bd1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}