{
  "manageEntity": {
    "action": "Update",
    "entityId": "559081263",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x25dadeb37f63063e6cccacc97ff207733ed53d0b236169d213e0642a38e49ceb",
    "signature": "0xd508900419bf0004a72b80cce8e06c20dc816a8dc16bbb8dca537a9666e336e56cb8763ef43f79dc7c30a83b63740a3aca30ce0465c67609cd30a38a573267501b",
    "signer": "0xc65dFfE1a1134FA9B16cFAE24fCc4CA150E84FF6",
    "userId": "559081263"
  }
}