{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb05b2bac52a5f7cfd5672e8102be3fbcc8585f6841dba336501a0b8aa1f91363",
    "signature": "0x0ba721453fc37edc6587ef3c68f3f304cdfec64d78bf98d368900e269299ce3e73557e61d7bdd356117f42a82e68e073c04a4b61aa6f0736c0497c3ecf3694391b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}