{
  "manageEntity": {
    "action": "Update",
    "entityId": "791489175",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb148a3da6d5f7437490940be648535f4f35bdbd24876650ca6ba286a14b6a5ad",
    "signature": "0xee5b4ea2210cebcaf5f96cf66e3c1fd1ed45e9e0d72be6f5a40668ddff4bcbcc03d4972547579f29a0de9ff33a3e6a718fc789eb8b4d77abf5de2a8cbbca05271b",
    "signer": "0x2984E1f1fB0EEaEC4b5f87d0949484C0c13D531D",
    "userId": "791489175"
  }
}