{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7c8436e951e7382e973cfcb4ba7a6733e35797bcdbb2220a3633a035e53f6d6",
    "signature": "0x51bfd7a9a9927170d0436877d4ae2e4325f215cd6cd3d4dfd472d72ff310d3646a3de151761e631d21d63ff3021b5089c04dd66c67862364016c9abb7bb7249b1b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}