{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1571737220",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ec044dffd53bd317f69411d0d297ba7da1e895ddf99a470c51bc2303f1bb6b3",
    "signature": "0x617631223840d8f13253b02721a2cf57b4e975db24abf2d83d86547a5d3084d227684f894857b19035773d42bd56ecc4d788d2b5a0a83adc2288b19eac22c6be1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}