{
  "manageEntity": {
    "action": "Update",
    "entityId": "130601714",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieranpzmxm7jngj4wyxcoloycne2s4e66yawjq2b6zonjzq6z4hi7ykq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1552689876}]}}}",
    "nonce": "0x1c66249c73a5a404f20d5b60c6d9e1f4e6217fe443c984e176522b26c13f0555",
    "signature": "0xf0ad79d8d42a2777a2c850d5cc7dca1583a547557911a84bb474823c6170cb1958f9504b1928949137a694813af34bc2ec01447c60223b9b72657013ef45720e1b",
    "signer": "0xED18e211F505AaC144f65B3fef333CB73b2eeFa8",
    "userId": "130601714"
  }
}