{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503708569",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd008b6b23ad82cbd6b8d947aa4b07890f7fb024398e3623fe38e1b2328c90d5a",
    "signature": "0xbfe4321d85206141fbafcbb59db09ba0a0650c9e16ad81a95af897da984b65181c71f5e3341d66b651049a74f10df5c2053701b76970956d3a274de98320bb8c1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}