{
  "manageEntity": {
    "action": "Update",
    "entityId": "940795349",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7ad3c81b179fc821d568913df8a4c8b69cd023cbe671ed2b99c0ea0a404b80ee",
    "signature": "0xa5e5e949111a35e3ac6c221f8d0805960202b89369222f271bffb38eedae6b1e217a49e637cd2c4b2700b8b0b41c68482be05374267e94432b9fdddf7a67138f1c",
    "signer": "0x8D9fF7c77B40B31De4f985c6a8fE761A42f8C413",
    "userId": "940795349"
  }
}