{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1056a273107522893de33b2995d94cd9882b7146d091873db5c26a9733d1ada",
    "signature": "0x0b86a45c58570d3a34c089f49409815ea95e4e233d6d033dcdacfec7df57e22c333b3c061021889e74b91a9c3351da80178ac9e6de3c789d4e344bfd9e51638f1b",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}