{
  "manageEntity": {
    "action": "Update",
    "entityId": "211416595",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraahv6xtq72lei27cq5qhar2xcg4imar6fuyczkayj2jrncu2bpk5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":821029842}]}}}",
    "nonce": "0xecd060931218309c5e5158077d2ae505fb02e06072997cdd55c2865aa522edbb",
    "signature": "0xd6d4c25e02b206b074edee46d76a6571e7312729c935235521e7b1e5de8b4e0936770cbd033c6be1d96dbbea85decd8ee1eb1161b1674682d5cca743c5d033441c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}