{
  "manageEntity": {
    "action": "Update",
    "entityId": "798556165",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc4ceb1853ff698a3baf9e5aae48d4c3ab2948bccf8ab321cab1c04f64ef717e5",
    "signature": "0xb84859ea4a38fc7e03f7d517daa6bbaf37e8041283223927f57ff7f317823d66034678aed18a2cec17ec4a408e7f65f839008e5d5be224e6cfc2d8781952ec871b",
    "signer": "0xa4B2FAd8C7b22e3dD48C0e716585F337C8B2F67e",
    "userId": "798556165"
  }
}