{
  "manageEntity": {
    "action": "Update",
    "entityId": "733102958",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x54fa39be1d0fc42bdbc2adea722d7ccadf86519e851d6a0d8c017f4ba2c44cab",
    "signature": "0xe1e343d1dd12762c631f5c6a38e00c0f4b52d3321d1c61e5fc333b29694c220738ddba8e7f23749232d1eec23265258c1514667c476d85502d5a343ba832e5d21b",
    "signer": "0x44a037CeBB5Af178C3809A13D0AfE2279AC14d81",
    "userId": "733102958"
  }
}