{
  "manageEntity": {
    "action": "Update",
    "entityId": "100",
    "entityType": "User",
    "metadata": "{\"cid\":\"\",\"data\":{\"profile_picture\":\"baeaaaiqsecyv2nzb4emrtajkuozslidz7msrcbpoo2vjckseqaimndovcf66i\",\"profile_picture_sizes\":\"baeaaaiqsecyv2nzb4emrtajkuozslidz7msrcbpoo2vjckseqaimndovcf66i\"}}",
    "nonce": "1775091765350374316",
    "signature": "0xa165fa225bca14e7a1bc89f0563c873d41af056560b79b4f3fea7a7c129cd4f140802347d775a83f32710f3202dfd6beeb7902ca649bb5cea69545a781f316351c",
    "signer": "0x5826113B82941207533b0f2B86c3D5f2A00c1969",
    "userId": "100"
  }
}