{
  "manageEntity": {
    "action": "Update",
    "entityId": "266561378",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x64a2ccd7f42237408956e8ef18c447e0c18e2fa804d13b3a98f546d11531fc7e",
    "signature": "0x23f133c03ced07ea72462e5cb9dd9fab4cfcb2a73385e4feee04c262fbeaf01b731a69693ff7c4ac3aeceee934371d04fc1081c220a1514d96e9ae9516ed31841b",
    "signer": "0x6eD110f7A10Dd04bCD6e34dD94B653b928fa59A9",
    "userId": "266561378"
  }
}