{
  "manageEntity": {
    "action": "Update",
    "entityId": "824146899",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf7f713ee58037f0fc113742f340c08e2d8580ec8f1da94b48c388e4b880c8543",
    "signature": "0xe98aba4240ee1d7350fbd6d90abacc03aacfe5af4b73448e195b17e43674a28700e1e5e6db0fd7096ae19990314538a5fc1216ed6b11a8044e9ca1c95b22d43b1b",
    "signer": "0x26363DA4669439783EfEfa3176EE2Fb895445d78",
    "userId": "824146899"
  }
}