{
  "manageEntity": {
    "action": "Update",
    "entityId": "238411250",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera44ugwuyjfcbodt62q4wao7l4ugdjknlm65h2n6cpk4f6umhy5ptq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1333909087}]}}}",
    "nonce": "0x5226e84adc570a8c041d90060b6006fd4176854ca30f0ae860866ac4dd2be0b6",
    "signature": "0x546ade25e67476e7a137dfe6ec4d4ed7122e0cb2a1e5c54d116873e659f3907b0a9a54983c4448dfb27d45995a78716fdadbd4aa5a6aa1ca228810fe2eda04a61c",
    "signer": "0xD11E60b78D349bEEF08c055Fb75986129acF601B",
    "userId": "238411250"
  }
}