{
  "manageEntity": {
    "action": "Update",
    "entityId": "988541508",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe63f583c249cf263a886a35fd137c381c6710bc0105f893247cf5da1ef726897",
    "signature": "0x0001bcf8f51152f3487a45bf9e6cc193d30de6de5ebf433e504898f2edb6b96232c479bf63ba51405ab8178446202fb17ab2747dfad9a7cd0f50adee1593c1841b",
    "signer": "0xdAb0c0bF00919ca6A07610dd42E7577a6A993c30",
    "userId": "988541508"
  }
}